A leading commercial HVAC company serving Washington DC, Virginia, and Maryland.

Thornton Service provides commercial HVAC services to clients throughout the Washington metropolitan area. Our skilled HVAC technicians specialize in preventive maintenance and repair of commercial heating and cooling systems. From emergency repair to maintenance-only HVAC contracts and facilities management, we support a range of industries, including healthcare, education, government and mission critical data centers.

Industry Affiliations

ENERGY STAR®

ENERGY STAR® - ENERGY STAR® is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy helping us all save money and protect the environment through energy efficient products and practices.

IFMA

International Facility Management Association - IFMA® is the world's largest and most widely recognized international association for professional facility managers, supporting more than 19,500 members in 60 countries. Formed in 1980, IFMA certifies facility managers, conducts research, and provides educational programs, recognized facility management degree and certificate programs.

BOMA

Building Owners and Managers (BOMA®) - BOMA International is a primary source of information on office building development, leasing, building operating costs, energy consumption patterns, local and national building codes, legislation, occupancy statistics and technological developments.

IREM

The Institute of Real Estate Management (IREM®) celebrated its 75th anniversary in 2008. For more than seven decades, IREM has been the source for education, resources, information and membership for real estate management professionals.

AEE

The Association of Energy Engineers (AEE® ) is a nonprofit professional society of 9,500 members in 73 countries. The mission of AEE is "to promote the scientific and educational interests of those engaged in the energy industry and to foster action for Sustainable Development."

EPA

Environmental Protection Agency (EPA) -The EPA was established to consolidate a variety of federal research, monitoring, standard-setting and enforcement activities to ensure environmental protection. EPA's mission is to protect human health and to safeguard the natural environment-air, water, and land-upon which life depends.

DOE

The Department of Energy (DOE) - The Department of Energy's (DOE) overarching mission is to advance the national, economic, and energy security of the United States; to promote scientific and technological innovation in support of that mission.

ASHRAE

The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE®) advances technology to serve humanity and promote a sustainable world. Membership is open to any person associated with the field.

ACCA

Air Conditioning Contractors of America® (ACCA® ) is a group of over 4,000 air conditioning contractors who work together to improve our industry, promote good practices, and keep buildings safe, clean and comfortable.

How to Save Money With Energy Efficient Systems

We know the path to energy sustainability is a journey not an event. We partner with each client to analyze their utility bills, identify no-cost/low-cost savings opportunities, implement operations and maintenance practices and identify system upgrades and retrofits with a return on investment.